var Opc = 1;
var dst = 570;

function intro() {
	fd = setInterval('fade()',30);
}

function fade() {
	if(Opc <= 0) {
		clearInterval(fd);
		document.getElementById('introRahmen').style.display = 'none';
	}

	else if(dst >= 855) {
		try {
			document.getElementById('introRahmen').style.filter = "alpha(opacity = " + (Opc * 100) + ")";
		}
		catch(e) {}
		try {
			document.getElementById('introRahmen').style.opacity = Opc;
		}
		catch(e) {}
		try {
			document.getElementById('introRahmen').style.mozOpacity = Opc;
		}
		catch(e) {}
		Opc = Opc - 0.04;
	}

	else {
		document.getElementById('bildRahmen').style.height = dst + 'px';
		dst = dst + 8;
	}
}

window.onload = new function() {
	setTimeout('intro()',3000);
}